20199705645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{395027}}^1$

素因数の和:395529

約数の個数: 32

約数和(自身を含む): 37012543488

約数和(自身を除く): 16812837843

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 487, 1461, 2435, 3409, 7305, 10227, 17045, 51135, 395027, 1185081, 1975135, 2765189, 5925405, 8295567, 13825945, 41477835, 192378149, 577134447, 961890745, 1346647043, 2885672235, 4039941129, 6733235215, 20199705645]

約数ペア:

[(1, 20199705645), (3, 6733235215), (5, 4039941129), (7, 2885672235), (15, 1346647043), (21, 961890745), (35, 577134447), (105, 192378149), (487, 41477835), (1461, 13825945), (2435, 8295567), (3409, 5925405), (7305, 2765189), (10227, 1975135), (17045, 1185081), (51135, 395027)]